rflint check warning and errors clean up

Fixing the documentation and test code for:
    - exceeds 110 characters (LineTooLong)
    - TrailingWhitespace
    - RequireTestDocumentation
    - DuplicateTestNames

Change-Id: Ia173888ed709ac7bd3511654bf89c822bc47e398
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/pldm/test_pldm_bios.robot b/pldm/test_pldm_bios.robot
index bde9106..81d2033 100755
--- a/pldm/test_pldm_bios.robot
+++ b/pldm/test_pldm_bios.robot
@@ -82,7 +82,7 @@
     # [     attributetype]:                           BIOSStringReadOnly
     # [     currentstringlength]:                     15
 
-    ${count}=  Get Length  ${attr_table_data} 
+    ${count}=  Get Length  ${attr_table_data}
     ${attr_val_list}=  Create List
     FOR  ${i}  IN RANGE  ${count}
         Append To List  ${attr_val_list}  ${attr_table_data}[${i}][AttributeType]